package com.example.demoo.controller;

import com.example.demoo.pojo.User;
import com.example.demoo.service.UserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;



@Controller
public class UserController {

    @Autowired
    UserService userService;

    @RequestMapping("/hello")
    @ResponseBody
    public User hello(){
        System.out.println("你好啊");
        return userService.findByName("jingo");
    }

    /**
     * 测试thymeleaf
     */
    @RequestMapping("/testThymeleaf")
    public String testThymeleaf(Model model){

        //把数据存入model
        model.addAttribute("name", "金狗");
        return "test";
    }

    /**
     * 登录逻辑处理
     * @return
     */
    @RequestMapping("/login")
    public String login(String name, String password, Model model){

        /**
         * 使用shiro编写认证操作
         */
        //1、获取subject
        Subject subject = SecurityUtils.getSubject();
        //2、封装用户数据
        UsernamePasswordToken token = new UsernamePasswordToken(name,password);
        //3、执行登录方法
        try{
            subject.login(token);

            //登录成功
            //跳转到test页面
            return "redirect:/testThymeleaf";
        }catch (UnknownAccountException e){
            //登录失败：用户名不存在
            //e.printStackTrace();
            model.addAttribute("msg", "用户名不存在");
            return "login";
        }catch (IncorrectCredentialsException e){
            //e.printStackTrace();
            //登录失败：密码错误
            model.addAttribute("msg", "密码错误");
            return "login";
        }
    }

    @RequestMapping("/add")
    public String add(){

        return "/user/add";
    }

    @RequestMapping("/update")
    public String update(){

        return "/user/update";
    }

    @RequestMapping("/toLogin")
    public String toLogin(){

        return "/login";
    }
}
